CN102537665A - Device and method for regulating outlet pressure of indirect effect type gas pressure regulator along with clock - Google Patents
Device and method for regulating outlet pressure of indirect effect type gas pressure regulator along with clock Download PDFInfo
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- CN102537665A CN102537665A CN201110440610XA CN201110440610A CN102537665A CN 102537665 A CN102537665 A CN 102537665A CN 201110440610X A CN201110440610X A CN 201110440610XA CN 201110440610 A CN201110440610 A CN 201110440610A CN 102537665 A CN102537665 A CN 102537665A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 title abstract description 9
- 230000000694 effects Effects 0.000 title abstract 5
- 210000000981 epithelium Anatomy 0.000 claims description 41
- 230000008676 import Effects 0.000 claims description 27
- 239000002737 fuel gas Substances 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Abstract
The invention provides an indirect effect type gas pressure regulator capable of regulating outlet pressures along with a clock. The indirect effect type gas pressure regulator comprises a pressure-regulating body, a first guide valve, a second guide valve, a presetting valve and a clock electromagnetic valve which are connected via a pressure introducing pipe. The invention also provides a corresponding control method. The opening and closing of the clock electromagnetic valve are changed and two outlet pressure setting values of the pressure regulator are automatically converted to realize the function that one pressure regulator is capable of regulating two outlet pressures. The indirect effect type gas pressure regulator is characterized in that the use function of the original pressure regulator is broadened, and the clock electromagnetic valve and the second guide valve are additionally equipped so that the original pressure regulator which can only regulate one outlet pressure is capable of regulating two outlet pressures. The indirect effect type gas pressure regulator is modified by using the functional parts of a common pressure regulator, so that the independent design and production costs of a novel pressure regulator are reduced.
Description
Technical field
The present invention relates to a kind of gas transmission and distribution field that is applied to, be specifically related to a kind of indirect acting type fuel gas pressure governor is changed outlet pressure automatically with the keying of clock solenoid valve method.
Background technique
For the operation of urban pipe network, the pressure stability in the pipe network is most important, and overpressure can cause potential safety hazard, and hypotony can cause user's usefulness gas undesired.Gas pressure regulator, governor is as the vitals of gas transmission and distribution; Generally can only regulate an outlet pressure; But for the many areas of tall building, because the density of combustion gas is lower than the density of air, night is during gas-use low peak; Pressure in the pressure governor outlet low pressure line can increase along with the height of low pressure line and raise gradually, promptly produces additional pressure.This additional pressure all can cause great potential safety hazard for the transmission & distribution of combustion gas with using.Use gas safety for what guarantee the user, combustion gas operational department gate open reason condition can be carried out step-down at the different independent voltage stabilizers of floor increase, but this method input is bigger.
Summary of the invention
Can only regulate the shortcoming of an outlet pressure in order to overcome pressure governor, technical problem to be solved by this invention is to propose a kind of indirect acting type fuel gas pressure governor is changed outlet pressure automatically with the keying of clock solenoid valve method.
The present invention provides a kind of simple method, can change out different outlets pressure according to peak and ebb with gas, so just can when gas-use low peak, outlet pressure be turned down automatically, offsets the influence of annex pressure.Sufficient with gas when the method that outlet pressure is changed in this keying with the clock solenoid valve automatically can satisfy with the gas peak, what can guarantee again that gas-use low peak is uses gas safety.
According to an aspect of the present invention; A kind of indirect acting type fuel gas pressure governor with clock transposing outlet pressure is provided; Comprise pressure regulation body, preset valve, first pilot valve, second pilot valve, clock solenoid valve; First pressure inlet tube, second pressure inlet tube, the 3rd pressure inlet tube, the 4th pressure inlet tube, the 5th pressure inlet tube and the 6th pressure inlet tube, wherein:
Import is connected first pressure inlet tube with the preset valve with the import of pressure regulation body, and upstream pressure P1 is caused the import of preset valve by first pressure inlet tube;
Second pressure inlet tube is connected with preset valve outlet port, the first pilot valve import and the second pilot valve import, and preset valve outlet port pressure P 3 causes the first pilot valve import and the second pilot valve import by second pressure inlet tube;
Import is connected the 3rd pressure inlet tube with the clock solenoid valve with the outlet of first pilot valve, and the outlet pressure P4 of first pilot valve 5 causes the import of clock solenoid valve by the 3rd pressure inlet tube;
The 4th pressure inlet tube is connected with downstream line with the epithelium epicoele of preset valve, the epithelium epicoele of first pilot valve, the epithelium epicoele of second pilot valve, and downstream pressure P2 causes the epithelium epicoele of preset valve, the epithelium epicoele of first pilot valve and the epithelium epicoele of second pilot valve by the 4th pressure inlet tube;
The 5th pressure inlet tube exports with second pilot valve, the pressure regulation body epithelium cavity of resorption of clock solenoid valve and pressure regulation body is connected, and the outlet pressure P4 of first pilot valve and the outlet pressure P5 of second pilot valve are caused the pressure regulation body epithelium cavity of resorption of pressure regulation body by the 5th pressure inlet tube;
The 6th pressure inlet tube is connected with downstream line with the pressure regulation body epithelium epicoele of pressure regulation body, and downstream pressure P2 is caused the pressure regulation body epithelium epicoele of pressure regulation body by the 6th pressure inlet tube.
Preferably, the pressure regulation body is an inefficacy Normally closed type pressure regulation body, and first pilot valve and second pilot valve are inefficacy Normally closed type pilot valve.
Preferably, the clock solenoid valve is to open automatically or electromagnetic valve closed according to time set.Preferably, the setting pressure of first pilot valve is higher than the setting pressure of second pilot valve, and clock module is installed on the outlet of first pilot valve, and first pilot valve and second pilot valve are the parallel connection relation.
According to another aspect of the present invention, also provide a kind of, comprise step according to the controlling method of indirect acting type fuel gas pressure governor provided by the invention with clock transposing outlet pressure:
When the higher outlet pressure of needs; The clock solenoid valve is opened, because first pilot valve is parallelly connected relation with second pilot valve, the driving pressure of pilot valve outlet is the high person's of setting pressure in two pilot valves a setting value; At this moment; Downstream pressure is driven by first pilot valve and regulates, and is stabilized in the pressure set points accuracy rating of first pilot valve, and second pilot valve is in closed condition;
When the lower outlet pressure of needs, with the clock closed electromagnetic valve, because first pilot valve is parallelly connected relation with second pilot valve; The driving pressure of pilot valve outlet is the high person's of setting pressure in two pilot valves a setting value; But the export pipeline of first pilot valve is blocked by the clock solenoid valve, and at this moment, downstream pressure is driven by second pilot valve and regulates; And be stabilized in the pressure set points accuracy rating of second pilot valve, first pilot valve is in the state that is blocked by the clock solenoid valve.
Apparatus and method provided by the invention realize through following process:
Become pressure P 3 after upstream pressure P1 reduces pressure through the preset valve and get into first pilot valve and second pilot valves; Become pressure P 4 and pressure P 5 after the adjusting of pressure P 3 through first pilot valve, second pilot valve then; Get into the epithelium cavity of resorption b of pressure regulation body as driving pressure; Get into the epithelium epicoele of pressure regulation body then through small holes 12; Downstream pressure P2 is as the epithelium epicoele a of driving pressure through pressure inlet tube entering pressure regulation body, and downstream pressure P2 gets into the pressure chamber of preset valve, first pilot valve and second pilot valve respectively through pressure inlet tube.The setting pressure of first pilot valve is higher than the setting pressure of second pilot valve.
The present invention is through changing the keying of clock solenoid valve, and two outlet pressure setting values of conversion voltage regulation device realize the function that pressure governor can be regulated two outlet pressures automatically.The present invention is through setting up clock solenoid valve and one second pilot valve; Make original pressure governor become and to regulate two outlet pressures by regulating an outlet pressure; The present invention adopts the functional part of general pressure governor to transform; Expanded the function of use of original pressure governor, reduced the independent design and the production cost of novel pressure governor, pressure governor simultaneously of the present invention adopts the modular construction design can realize on-line maintenance.
Description of drawings
Through reading the detailed description of non-limiting example being done with reference to following accompanying drawing, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is according to the principle schematic of indirect acting type fuel gas pressure governor provided by the invention with the controlling method of the device of clock transposing outlet pressure.
Among the figure: 1 is pressure regulation body epithelium; 2 is first pressure inlet tube; 3 are the preset valve; 4 is second pressure inlet tube; 5 is first pilot valve; 6 is the 3rd pressure inlet tube; 7 is second pilot valve; 8 is the 4th pressure inlet tube; 9 is the 5th pressure inlet tube; 10 is the 6th pressure inlet tube; 11 is the clock solenoid valve; 12 is throttle orifice; 13 are the pressure regulation body.
Embodiment
Below in conjunction with principle schematic, further set forth the present invention.
Shown in Figure 1 is according to the principle schematic of a kind of indirect acting type pressure governor provided by the invention with the controlling method of clock transposing outlet pressure.Become pressure P 3 after upstream pressure P1 reduces pressure through preset valve 3 and get into first pilot valve 5 and second pilot valves 7; Become pressure P 4 and pressure P 5 after the adjusting of pressure P 3 through first pilot valve 5, second pilot valve 7 then; Get into the pressure regulation body epithelium 1 cavity of resorption b of pressure regulation body 13 as driving pressure; Get into the pressure regulation body epithelium 1 epicoele a of pressure regulation body 13 then through the throttle orifice 12 of pressure regulation body 13; Downstream pressure P2 is as the pressure regulation body epithelium 1 epicoele a of driving pressure through pressure inlet tube 10 entering pressure regulation bodies 13, and downstream pressure P2 gets into the pressure chamber of preset valve 3, first pilot valve 5 and second pilot valve 7 respectively through the 4th pressure inlet tube 8.The setting pressure of first pilot valve 5 is higher than the setting pressure of second pilot valve 7.
Particularly, at first, clock solenoid valve 11 is opened; When downstream pressure was low, first pilot valve 5 and second pilot valve 7 all were in fully open position, and pressure P 3 is regulated the pressure regulation body epithelium 1 cavity of resorption b that the back gets into pressure regulation body 13 rapidly through first pilot valve 5 and second pilot valve 7; Drive pressure regulation body 13 and open, upstream gas is regulated the back through pressure regulation body 13 and is got into downstream, and downstream pressure raises; When reaching the pressure set points of second pilot valve 7; Second pilot valve 7 cuts out, and downstream pressure continues to rise, and reaches the pressure set points of first pilot valve 5.At this moment, downstream pressure is driven by first pilot valve 5 and regulates, and stablizes in the pressure set points accuracy rating of first pilot valve 5, and second pilot valve 7 then is in closed condition.
Then, clock solenoid valve 11 cuts out, the driving pressure that gets into the pressure regulation body epithelium 1 cavity of resorption b of pressure regulation body 13 through first pilot valve 5 is blocked; The driving pressure step-down of pressure regulation body epithelium cavity of resorption b, pressure regulation body 13 is closed, and downstream pressure P2 reduces; When reaching the pressure set points of second pilot valve 7, second pilot valve 7 is opened, and gets into the epithelium cavity of resorption b of pressure regulation body through the driving pressure P5 of second pilot valve, 7 adjustings; At this moment; Downstream pressure is driven by second pilot valve 7 and regulates, and stablizes in the pressure set points accuracy rating of second pilot valve 7, and clock solenoid valve 11 is in closed condition; The driving pressure P4 that first pilot valve 5 is regulated is blocked, and first pilot valve 5 is not participated in the adjusting of outlet pressure this moment.
Wherein, comprise pressure regulation body 13, preset valve 3, first pilot valve 5, second pilot valve 7, clock solenoid valve 11, first pressure inlet tube 2, second pressure inlet tube 4, the 3rd pressure inlet tube 6, the 4th pressure inlet tube 8, the 5th pressure inlet tube 9 and the 6th pressure inlet tube 10 according to indirect acting type fuel gas pressure governor provided by the invention with the device of clock transposing outlet pressure; 3 imports are connected said first pressure inlet tube 2 with the preset valve with 13 imports of pressure regulation body, and upstream pressure P1 is caused the import of preset valve 3 by first pressure inlet tube 2; Said second pressure inlet tube 4 is with 3 outlets of preset valve, 7 imports are connected 5 imports of first pilot valve with second pilot valve, and preset valve 3 outlet pressure P3 cause 5 imports of first pilot valve and 7 imports of second pilot valve by second pressure inlet tube 4; 11 imports are connected said the 3rd pressure inlet tube 6 with the clock solenoid valve with 5 outlets of first pilot valve, and the outlet pressure of first pilot valve 5 causes 11 imports of clock solenoid valve by the 3rd pressure inlet tube 6; Said the 4th pressure inlet tube 8 is connected with downstream line with the epithelium epicoele of preset valve 3, the epithelium epicoele of first pilot valve 5, the epithelium epicoele of second pilot valve 7, and downstream pressure P2 causes the epithelium epicoele of preset valve 3, the epithelium epicoele of first pilot valve 5 and the epithelium epicoele of second pilot valve 7 by the 4th pressure inlet tube 8; Said the 5th pressure inlet tube 9 is connected with pressure regulation body epithelium 1 cavity of resorption of 7 outlets of second pilot valve, clock solenoid valve 11 and pressure regulation body 13, and the outlet pressure of first pilot valve 5 and second pilot valve 7 is caused pressure regulation body epithelium 1 cavity of resorption of pressure regulation body 13 by the 5th pressure inlet tube 9; Said the 6th pressure inlet tube 10 is connected with downstream line with pressure regulation body epithelium 1 epicoele of pressure regulation body 13, and downstream pressure P2 is caused pressure regulation body epithelium 1 epicoele of pressure regulation body 13 by the 6th pressure inlet tube 10.
Preferably, said pressure regulation body 13 is inefficacy Normally closed type pressure regulation body, and first pilot valve 5 and second pilot valve 7 are inefficacy Normally closed type pilot valve.Said clock solenoid valve 11 is to open automatically or electromagnetic valve closed according to time set.The setting pressure of first pilot valve is higher than the setting pressure of second pilot valve, and clock module is installed on the outlet of first pilot valve, and first pilot valve and second pilot valve are the parallel connection relation.
More than specific embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not influence flesh and blood of the present invention.
Claims (5)
1. an indirect acting type fuel gas pressure governor is with the device of clock transposing outlet pressure; It is characterized in that; Comprise pressure regulation body, preset valve, first pilot valve, second pilot valve, clock solenoid valve; First pressure inlet tube, second pressure inlet tube, the 3rd pressure inlet tube, the 4th pressure inlet tube, the 5th pressure inlet tube and the 6th pressure inlet tube, wherein:
Import is connected first pressure inlet tube with the preset valve with the import of pressure regulation body, and upstream pressure P1 is caused the import of preset valve by first pressure inlet tube;
Second pressure inlet tube is connected with preset valve outlet port, the first pilot valve import and the second pilot valve import, and preset valve outlet port pressure P 3 causes the first pilot valve import and the second pilot valve import by second pressure inlet tube;
Import is connected the 3rd pressure inlet tube with the clock solenoid valve with the outlet of first pilot valve, and the outlet pressure P4 of first pilot valve causes the import of clock solenoid valve by the 3rd pressure inlet tube;
The 4th pressure inlet tube is connected with downstream line with the epithelium epicoele of preset valve, the epithelium epicoele of first pilot valve, the epithelium epicoele of second pilot valve, and downstream pressure P2 causes the epithelium epicoele of preset valve, the epithelium epicoele of first pilot valve and the epithelium epicoele of second pilot valve by the 4th pressure inlet tube;
The 5th pressure inlet tube exports with second pilot valve, the pressure regulation body epithelium cavity of resorption of clock solenoid valve and pressure regulation body is connected, and the outlet pressure P4 of first pilot valve and the outlet pressure P5 of second pilot valve are caused the pressure regulation body epithelium cavity of resorption of pressure regulation body by the 5th pressure inlet tube;
The 6th pressure inlet tube is connected with downstream line with the pressure regulation body epithelium epicoele of pressure regulation body, and downstream pressure P2 is caused the pressure regulation body epithelium epicoele of pressure regulation body by the 6th pressure inlet tube.
2. indirect acting type fuel gas pressure governor according to claim 1 is characterized in that with the device of clock transposing outlet pressure the pressure regulation body is an inefficacy Normally closed type pressure regulation body, and first pilot valve and second pilot valve are inefficacy Normally closed type pilot valve.
3. indirect acting type fuel gas pressure governor according to claim 1 and 2 is characterized in that with the device of clock transposing outlet pressure the clock solenoid valve is to open automatically or electromagnetic valve closed according to time set.
4. according to the device of each described indirect acting type fuel gas pressure governor in the claim 1 to 3 with clock transposing outlet pressure; It is characterized in that; The setting pressure of first pilot valve is higher than the setting pressure of second pilot valve; Clock module is installed on the outlet of first pilot valve, and first pilot valve and second pilot valve are the parallel connection relation.
5. each described indirect acting type fuel gas pressure governor is characterized in that with the controlling method of clock transposing outlet pressure in the claim 1 to 4, comprises step:
When the higher outlet pressure of needs; The clock solenoid valve is opened, and first pilot valve is parallelly connected relation with second pilot valve, and the driving pressure of pilot valve outlet is the high person's of setting pressure in two pilot valves a setting value; At this moment; Downstream pressure is driven by first pilot valve and regulates, and is stabilized in the pressure set points accuracy rating of first pilot valve, and second pilot valve is in closed condition;
When the lower outlet pressure of needs, with the clock closed electromagnetic valve, first pilot valve is parallelly connected relation with second pilot valve; The driving pressure of pilot valve outlet is the high person's of setting pressure in two pilot valves a setting value; But the export pipeline of first pilot valve is blocked by the clock solenoid valve, and at this moment, downstream pressure is driven by second pilot valve and regulates; And be stabilized in the pressure set points accuracy rating of second pilot valve, first pilot valve is in the state that is blocked by the clock solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440610.XA CN102537665B (en) | 2011-12-23 | 2011-12-23 | Device and method for regulating outlet pressure of indirect effect type gas pressure regulator along with clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440610.XA CN102537665B (en) | 2011-12-23 | 2011-12-23 | Device and method for regulating outlet pressure of indirect effect type gas pressure regulator along with clock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102537665A true CN102537665A (en) | 2012-07-04 |
| CN102537665B CN102537665B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110440610.XA Active CN102537665B (en) | 2011-12-23 | 2011-12-23 | Device and method for regulating outlet pressure of indirect effect type gas pressure regulator along with clock |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035504U (en) * | 1988-05-18 | 1989-04-05 | 谢伟光 | Combined pressure adjuster for gas pressure adjuster and shunt pore plate |
| US5097858A (en) * | 1990-05-01 | 1992-03-24 | Zlokovitz Robert J | Clock controlled gas pressure regulator |
| CN201196340Y (en) * | 2008-05-07 | 2009-02-18 | 常州市科信燃气设备有限公司 | Gas pressure regulator |
| CN201401637Y (en) * | 2009-03-11 | 2010-02-10 | 陈文风 | Building-type main and auxiliary double-path gas pressure regulator |
| CN101749540A (en) * | 2008-12-19 | 2010-06-23 | 上海飞奥燃气设备有限公司 | Method for regulating front pressure of indirect acting type fuel gas pressure regulator |
| CN201548855U (en) * | 2009-12-08 | 2010-08-11 | 上海航天能源有限公司 | Pressure regulation control system |
| CN101922613A (en) * | 2009-06-15 | 2010-12-22 | 上海远动科技有限公司 | Fuel gas automatic current limiting control method |
| KR101030083B1 (en) * | 2011-02-25 | 2011-04-19 | 주식회사 부산도시가스 | City gas supply system |
-
2011
- 2011-12-23 CN CN201110440610.XA patent/CN102537665B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035504U (en) * | 1988-05-18 | 1989-04-05 | 谢伟光 | Combined pressure adjuster for gas pressure adjuster and shunt pore plate |
| US5097858A (en) * | 1990-05-01 | 1992-03-24 | Zlokovitz Robert J | Clock controlled gas pressure regulator |
| CN201196340Y (en) * | 2008-05-07 | 2009-02-18 | 常州市科信燃气设备有限公司 | Gas pressure regulator |
| CN101749540A (en) * | 2008-12-19 | 2010-06-23 | 上海飞奥燃气设备有限公司 | Method for regulating front pressure of indirect acting type fuel gas pressure regulator |
| CN201401637Y (en) * | 2009-03-11 | 2010-02-10 | 陈文风 | Building-type main and auxiliary double-path gas pressure regulator |
| CN101922613A (en) * | 2009-06-15 | 2010-12-22 | 上海远动科技有限公司 | Fuel gas automatic current limiting control method |
| CN201548855U (en) * | 2009-12-08 | 2010-08-11 | 上海航天能源有限公司 | Pressure regulation control system |
| KR101030083B1 (en) * | 2011-02-25 | 2011-04-19 | 주식회사 부산도시가스 | City gas supply system |
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| CN102537665B (en) | 2014-08-13 |
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| CB03 | Change of inventor or designer information |
Inventor after: Pan Liang Inventor before: Hu Guibao |
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Free format text: CORRECT: INVENTOR; FROM: HU GUIBAO TO: PAN LIANG |
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Denomination of invention: Device and method for adjusting outlet pressure at any time with an indirect acting gas regulator Granted publication date: 20140813 Pledgee: Bank of China Limited by Share Ltd. Shanghai Jingan branch Pledgor: SHANGHAI FIORENTINI GAS EQUIPMENT Co.,Ltd. Registration number: Y2024310000385 |